Windshield Wipers
Windshield Wipers - Related Videos
07:01
Impression Cytology of the Lid Wiper Area
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Cited by 3 •
2016
We collected, stained and imaged cells from the conjunctiva of the inner eyelid margin of human subjects. By characterizing cell morphology and metabolic activity, this method may further our understanding of dry eye and the role that friction between the ocular surfaces may play in perceiving ocular discomfort.
07:26
Ferric Chloride-induced Thrombosis Mouse Model on Carotid Artery and Mesentery Vessel
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Cited by 49 •
2015
The FeCl3 induced thrombosis model in mice is described herein. A method to monitor thrombus growth by intravital microscopy observation on a mesenteric vessel and by blood flow measurement in the carotid artery is presented.
07:38
DNA Polymerase Activity Assay Using Near-infrared Fluorescent Labeled DNA Visualized by Acrylamide Gel Electrophoresis
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Cited by 2 •
2017
This protocol describes the characterization of DNA polymerase synthesis of modified DNA through observation of changes to near-infrared fluorescently labeled DNA using gel electrophoresis and gel imaging. Acrylamide gels are used for high resolution imaging of the separation of short nucleic acids, which migrate at different rates depending on size.
03:42
Modeling Brain Tumor Metastasis via Internal Carotid Artery Injection of Cancer Cells
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2025
Source: Lim, M., et al. Modeling Brain Metastasis by Internal Carotid Artery Injection of Cancer Cells. J. Vis. Exp. (2022)In this video, an anesthetized mouse undergoes a surgical procedure in which cancer cells are injected into the common carotid artery (CCA) to facilitate targeted delivery to the brain. The procedure involves precise suturing and manipulation of the carotid arteries to direct the injected cells toward the internal carotid artery (ICA), promoting tumor formation in the brain...
12:50
Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds
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Cited by 3 •
2017
With the advancement of technology and the rise in end-user expectations, the need and use of higher temporal resolution data for pollutant load estimation has increased. This protocol describes a method for continuous in situ water quality monitoring to obtain higher temporal resolution data for informed water resource management decisions.
FAQs
The crank supplies rotary input, while the linkage redirects that input into alternating arm movement. Its mechanical arrangement determines how the blade travels across the window rather than simply spinning in a circle. In physics terms, the system connects rotational motion at the motor to oscillatory motion at the blade, producing a repeated clearing sweep.
Contact pressure allows the rubber blade to remain against the glass as it moves, while friction helps drag liquid and loose material away. Too little effective contact would reduce the blade’s interaction with the surface; the relevant balance therefore links mechanical force to cleaning performance. This relationship makes pressure and friction central variables in wiper design.
Rain, snow, and debris do not interact with the blade in the same way, so fluid behavior and material condition influence the result of each sweep. A wet surface presents liquid to be displaced, whereas snow or debris changes what the rubber edge encounters. Examining these conditions helps explain why motion alone does not determine clearing performance.
Rotational motion follows a circular path, whereas the blade follows a back-and-forth path over a limited window area. The linkage connects these motions, showing how one mechanical input can produce a different output pattern. This comparison illustrates the distinction between rotation and oscillation in applied physics.
The electric motor first turns the crank. The connected linkage transfers that motion to the wiper arm, causing the arm to move across the glass and then back. The flexible rubber blade stays pressed against the surface during this travel, so contact force and friction act while the blade displaces rain, snow, or debris.
A useful investigation can vary or compare blade pressure, arm motion, surface condition, and fluid behavior, then observe how each affects clearing performance. These variables connect mechanical conditions with the practical outcome of maintaining visibility. The setup can therefore relate force, motion, friction, and fluid removal without treating cleaning as a purely mechanical action.
The mechanical principles provide a basis for understanding how an automated system can coordinate motion with changing window conditions. Sensor-controlled designs are relevant because wiper performance depends on surface condition and fluid behavior, not only on arm movement. Studying those relationships supports improvements aimed at maintaining visibility in transportation.